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RE: st: graph interaction of continuous and categorical variables
From
Cameron McIntosh <[email protected]>
To
STATA LIST <[email protected]>
Subject
RE: st: graph interaction of continuous and categorical variables
Date
Fri, 13 Jan 2012 21:50:01 -0500
Jess,
Yes, certainly you can do this in Stata. Have a look at:
Karaca-Mandic, P., Norton, E.C., & Dowd, B. (2012). Interaction Terms in Nonlinear Models. Health Services Research, 47(1, Pt. 1), 255–274.
Greene, W. (2010). Testing hypotheses about interaction terms in nonlinear models. Economics Letters, 107(2), 291-296.
Flom, P.L., & Strauss, S.M. (2003). Some Graphical Methods for Interpreting Interactions in Logistic and OLS Regression. Multiple Linear Regression Viewpoints, 29(1), 1-7.http://mlrv.ua.edu/2003/vol29_n1_a1.pdf
Buis, M.L. (2010). Stata tip 87: Interpretation of interactions in non-linear models. The Stata Journal, 10(2), 305-308.http://www.maartenbuis.nl/publications/interactions.pdf
Norton, E.C., Wang, H., & Ai, C. (2004). Computing interaction effects and standard errors in logit and probit models. The Stata Joumal, 4(2), 154-167.http://www.unc.edu/~enorton/NortonWangAi.pdf
http://www.ats.ucla.edu/stat/stata/faq/logitcatcon.htm
Cam
> From: [email protected]
> To: [email protected]
> Subject: st: graph interaction of continuous and categorical variables
> Date: Fri, 13 Jan 2012 21:31:08 -0500
>
> Dear Statalist Users,
> I have a logistic regression model:
> logit(Y) = X1 + (X1)^2 + i.X2 + i.X2*X1 + i.X2*(X1)^2
> X1 is a continuous variable, X2 is a 4-category variable.
> How can i graph the interaction effects in STATA? is there any specific command that could do this for me?
> Many thanks!
> *
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> * http://www.ats.ucla.edu/stat/stata/
*
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